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Restoring the Awareness in the Occluded Visual Field for Optical See-Through Head-Mounted Display

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dc.contributor.author Long, Qian
dc.contributor.author Alexander, Plopski
dc.contributor.author Nassir, Navab
dc.contributor.author Peter, Kazanzides
dc.date.accessioned 2019-04-08T06:32:42Z
dc.date.available 2019-04-08T06:32:42Z
dc.date.issued 2018-09-06
dc.identifier.issn 1077-2626
dc.identifier.uri http://hdl.handle.net/10061/13131
dc.description.abstract Recent technical advancements support the application of Optical See-Through Head-Mounted Displays (OST-HMDs) in critical situations like navigation and manufacturing. However, while the form-factor of an OST-HMD occupies less of the user's visual field than in the past, it can still result in critical oversights, e.g., missing a pedestrian while driving a car. In this paper, we design and compare two methods to compensate for the loss of awareness due to the occlusion caused by OST-HMDs. Instead of presenting the occluded content to the user, we detect motion that is not visible to the user and highlight its direction either on the edge of the HMD screen, or by activating LEDs placed in the user's peripheral vision. The methods involve an offline stage, where the occluded visual field and location of each indicator and its associated occluded region of interest (OROI) are determined, and an online stage, where an enhanced optical flow algorithm tracks the motion in the occluded visual field. We have implemented both methods on a Microsoft HoloLens and an ODG R-9. Our prototype systems achieved success rates of 100% in an objective evaluation, and 98.90% in a pilot user study. Our methods are able to compensate for the loss of safety-critical information in the occluded visual field for state-of-the-art OST-HMDs and can be extended for their future generations ja_JP
dc.language.iso en ja_JP
dc.publisher IEEE ja_JP
dc.rights © 2018 IEEE ja_JP
dc.subject View Expansion ja_JP
dc.subject Prototype ja_JP
dc.subject Optical See-Through Head-Mounted Display ja_JP
dc.subject helmet mounted displays ja_JP
dc.subject image sequences ja_JP
dc.subject LED displays ja_JP
dc.subject state-of-the-art OST-HMD ja_JP
dc.subject HMD screen ja_JP
dc.subject user peripheral vision ja_JP
dc.subject occluded region of interest ja_JP
dc.subject optical flow algorithm ja_JP
dc.subject Microsoft HoloLens ja_JP
dc.subject ODG R-9 ja_JP
dc.subject safety-critical information ja_JP
dc.subject enhanced optical flow algorithm ja_JP
dc.subject associated occluded region ja_JP
dc.subject OST-HMD ja_JP
dc.subject occluded visual field ja_JP
dc.subject Head-mounted displays ja_JP
dc.subject Optical distortion ja_JP
dc.subject Light emitting diodes ja_JP
dc.subject Context awareness ja_JP
dc.subject Image edge detection ja_JP
dc.subject Location awareness ja_JP
dc.subject View Expansion ja_JP
dc.subject Prototype ja_JP
dc.title Restoring the Awareness in the Occluded Visual Field for Optical See-Through Head-Mounted Display ja_JP
dc.type.nii Journal Article ja_JP
dc.contributor.transcription アレクサンダー, プロプスキ
dc.identifier.fulltexturl https://ieeexplore.ieee.org/document/8456571 ja_JP
dc.textversion author ja_JP
dc.identifier.abstracturl https://ieeexplore.ieee.org/document/8456571 ja_JP
dc.identifier.ncid AA12555529 ja_JP
dc.identifier.jtitle IEEE Transactions on Visualization and Computer Graphics ja_JP
dc.identifier.volume 24 ja_JP
dc.identifier.issue 11 ja_JP
dc.identifier.spage 2936 ja_JP
dc.identifier.epage 2946 ja_JP
dc.relation.doi info:doi/10.1109/TVCG.2018.2868559 ja_JP
dc.identifier.NAIST-ID 74652520 ja_JP


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